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3 years ago

Select the statement that describes this expression: 13 + fraction 1 over 2 x (6 ÷ 2 + 6)

Mathematics

2 answers:

ehidna [41]3 years ago

4 0

The answer js b. I did this today

amid [387]3 years ago

3 0

I think the answer is B

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Answer:

Step-by-step explanation:

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3 years ago

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Find the area of the composite figure

SOVA2 [1]

Answer:

The answer is 49

Step-by-step explanation:

the square = 10×4= 40

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3 years ago

(x - 2)² + 6x – 7 Which of the following is equivalent to

podryga [215]

Answer:

$x^2 +2x-3$

Step-by-step explanation:

Given

$(x - 2)\² + 6x - 7$

Required

The equivalent

We have:

$(x - 2)\² + 6x - 7$

Expand

$(x - 2)\² + 6x - 7 = x^2 -2x-2x +4 +6x - 7$

Collect like terms

$(x - 2)\² + 6x - 7 = x^2 -2x-2x+6x +4 - 7$

$(x - 2)\² + 6x - 7 = x^2 +2x-3$

Hence, the equivalent is:

$x^2 +2x-3$

6 0

3 years ago

Give the values of a, b, and c needed to write the equation's standard form.(5 + x)(5 - x) = 7A = 1; B = 0; C = -18A = 25; B = 0

Maksim231197 [3]

We need to FOIL that out and then get it into standard form to see what our A, B, and C are. FOILing gives us $25-x^2=7$ . If we move the 7 over by subtraction and set it equal to 0, we have $-x^2+18=y$ . In order to avoid a negative leading coefficient, we can change all the signs to get $x^2-0x-18=0$ so A = 1, B = 0, C = -18, first choice above.

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3 years ago